下列选项中，出入肾门的结构是
A．肾小盏
B．肾大盏
C．肾盂
D．输尿管
E．肾 * *
参考答案：C
There are a number of things ______ him. He did nothing but ______ a lot of wine yesterday evening. [ ]
A. worrying; drink
B. worrying; drank
C. worried; to drink
D. worried; drink
影响能量代谢最主要的因素是
A．寒冷
B．高温
C．肌肉活动
D．精神活动
E．进食
